component
UMC4NTR
Public Made by Adomby adom
ROHM Battery Management, SOT-353. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -35,6 +35,20 @@ UMC4NTR from ROHM, in a SOT-353. Pinout and pin descriptions extracted from the - Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5` - 3D model: SOT-353 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`umc4ntr.step`](umc4ntr.step) | 87 KB | You want the bare part, or you mark your own boards. |+| [`umc4ntr-etched.step`](umc4ntr-etched.step) | 1.3 MB | You want the part with `UMC4NTR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 331 faces against 102 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance Data extracted from the manufacturer datasheet, not a distributor listing:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "umc4ntr",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "ROHM Battery Management, SOT-353. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−9@@ -4,7 +4,7 @@ "slug": "umc4ntr", "title": "UMC4NTR", "brief": "ROHM Battery Management, SOT-353. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,19 +34,19 @@ "number": "1", "name": "DTr2_B", "type": "input",- "description": "Base input of DTr2 (PNP, DTA114Y-equivalent) through internal 10k\u03a9 series resistor R1. 47k\u03a9 R2 sits between base and emitter. Absolute-max VIN = \u221240V / +6V."+ "description": "Base input of DTr2 (PNP, DTA114Y-equivalent) through internal 10kΩ series resistor R1. 47kΩ R2 sits between base and emitter. Absolute-max VIN = −40V / +6V." }, { "number": "2", "name": "DTr2_E", "type": "passive",- "description": "Emitter of DTr2 (PNP). Typically connected to VCC (positive supply) in a high-side switch topology. Absolute-max VCC = \u221250V."+ "description": "Emitter of DTr2 (PNP). Typically connected to VCC (positive supply) in a high-side switch topology. Absolute-max VCC = −50V." }, { "number": "3", "name": "DTr1_B", "type": "input",- "description": "Base input of DTr1 (NPN, DTC114E-equivalent) through internal 47k\u03a9 series resistor R1. 47k\u03a9 R2 sits between base and emitter (R2/R1 \u2248 1). Absolute-max VIN = +40V / \u221210V."+ "description": "Base input of DTr1 (NPN, DTC114E-equivalent) through internal 47kΩ series resistor R1. 47kΩ R2 sits between base and emitter (R2/R1 ≈ 1). Absolute-max VIN = +40V / −10V." }, { "number": "4",@@ -58,7 +58,7 @@ "number": "5", "name": "DTr1_C/DTr2_C", "type": "output",- "description": "Collector output. In dual DTR packages such as UMC4N the two collectors are frequently brought out on a shared or adjacent pin; check ROHM's specific UMC4N pinout for whether pin 5 is DTr1 collector only, DTr2 collector only, or common. Absolute-max IO/IC \u2248 100mA."+ "description": "Collector output. In dual DTR packages such as UMC4N the two collectors are frequently brought out on a shared or adjacent pin; check ROHM's specific UMC4N pinout for whether pin 5 is DTr1 collector only, DTr2 collector only, or common. Absolute-max IO/IC ≈ 100mA." } ], "provenance": {@@ -132,9 +132,9 @@ "docs/hero.png", "docs/umc4ntr-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "ROHM Battery Management, SOT-353. Datasheet-verified pinout, KiCad symbol/footprint/3D." }